If a \\Deltab=\frac{a}{b}+\frac{b}{a} and a+b=a b+\frac{1}{a b} then (1 \\Delta2) * 4=

TS ICET 1 Oct 2020 Shift 1 Paper

Question : 74 of 200

Marks: +1, -0

a \Δb={a}/{b}+{b}/{a}

and

a+b=a b+{1}/{a b}

then

(1 \Δ2) * 4=

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